I think the people who experienced the Apollo missions came away from that experience wondering to themselves, 'When can we get a chance to experience spaceflight?' I've heard that many, many times: that people got into a new career field hoping that they would be able to experience spaceflight.

There's no guarantee that the United States will be around 200 years from now.

A mind concerned about danger is a clouded mind. It's paralyzing.

Did the Pilgrims on the Mayflower sit around Plymouth Rock waiting for a return trip? They came here to settle. And that's what we should be doing on Mars. When you go to Mars, you need to have made the decision that you're there permanently. The more people we have there, the more it can become a sustaining environment. Except for very rare exceptions, the people who go to Mars shouldn't be coming back. Once you get on the surface, you're there.

Every couple of years, we could dispatch people from Earth to Mars.

My sister called me "Buzzard" when I was a baby - she couldn't say "Brother" so I've been Buzz my whole life.

What comes after the moon? I think you can guess: Mars.